package cn.zl.crawler;

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

/**
 * @author zhanglang
 * @Date 2020/3/15
 */
public class CrawlerFirst {
    public static void main(String[] args) throws IOException {
        //1.打开浏览器
        CloseableHttpClient httpClient = HttpClients.createDefault();

        //2.输入网址
        HttpGet httpGet=new HttpGet("http://www.itcast.cn");

        //3.按回车，发起请求，返回响应,使用HttpClients对象发起请求
        CloseableHttpResponse response = httpClient.execute(httpGet);

        //4.解析响应，获取数据
        if (response.getStatusLine().getStatusCode() == 200){
            HttpEntity httpEntity=response.getEntity();
            String content= EntityUtils.toString(httpEntity,"utf8");

            System.out.println(content);
        }
    }
}
